Berengarian Dragons are a fire-breathing species of flying reptilian creatures from the planet Berengaria VII. Some members of this species can reach over 200 meters in length.
They were discovered by a Vulcan science vessel in the early years of the 22nd century.
- Star Trek, s01e25, "This Side of Paradise" (1967) (Mentioned only)
- Star Trek: Enterprise, s04e17, "Bound" (2005) (Mentioned only)
- In the reference book The Worlds of the Federation, Berengarian Dragons can be anywhere between 9 and 50 ft in length (~ 2.7 to 15.2 meters). However, dialogue from the Star Trek: Enterprise episode claims that some of them can grow over 200 meters, i.e. over twelve times larger.